Based on the great success of 1st MUE 2007 and the 2nd MUE 2008, the 3rd International Conference on Multimedia and Ubiquitous Engineering (MUE 2009) will be the most comprehensive conference focused on the various aspects of advances in Multimedia and Ubiquitous Engineering. Multimedia and Ubiquitous is emerging rapidly as an exciting new paradigm to provide computing life services any time, any where. Our Conference provides a chance for academic and industry professionals to discuss recent progress in the area of multimedia and ubiquitous environment including models and systems, new directions, novel applications associated with the utilization and acceptance of ubiquitous computing devices and systems. The goal of this conference is to bring together the researchers from academia and industry as well as practitioners to share ideas, problems and solutions relating to the multifaceted aspects of Information Technology.